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<?php class T { private $attr = [1,2,3]; } $t = function(){ var_dump($this->attr); return $this; }; $t->bindTo(new T(), 'T'); //$c1 = Closure::bind($t, new T(), 'T'); $t(); var_dump($t()); die; abstract class T { static public $instanses; final private function __construct(){ } public static function getInstance() { var_dump(static::$instanses); if (!(static::$instanses instanceof static)) { static::$instanses = new static; } var_dump(static::$instanses); return static::$instanses; } } class A extends T { static public $instanses; } class B extends A { static public $instanses; } $t = A::getInstance(); var_dump($t); $t1 = B::getInstance(); var_dump($t1); new B(); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 79) Position 1 = -2
filename:       /in/eKi9U
function name:  (null)
number of ops:  33
compiled vars:  !0 = $t, !1 = $t1
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FeKi9U%3A6%240'
          1        ASSIGN                                                   !0, ~2
   11     2        INIT_METHOD_CALL                                         !0, 'bindTo'
          3        NEW                                              $4      'T'
          4        DO_FCALL                                      0          
          5        SEND_VAR_NO_REF_EX                                       $4
          6        SEND_VAL_EX                                              'T'
          7        DO_FCALL                                      0          
   13     8        INIT_DYNAMIC_CALL                                        !0
          9        DO_FCALL                                      0          
   14    10        INIT_FCALL                                               'var_dump'
         11        INIT_DYNAMIC_CALL                                        !0
         12        DO_FCALL                                      0  $8      
         13        SEND_VAR                                                 $8
         14        DO_ICALL                                                 
   15    15      > EXIT                                                     
   18    16*       DECLARE_CLASS                                            't'
   47    17*       INIT_STATIC_METHOD_CALL                                  'A', 'getInstance'
         18*       DO_FCALL                                      0  $10     
         19*       ASSIGN                                                   !0, $10
   48    20*       INIT_FCALL                                               'var_dump'
         21*       SEND_VAR                                                 !0
         22*       DO_ICALL                                                 
   50    23*       INIT_STATIC_METHOD_CALL                                  'B', 'getInstance'
         24*       DO_FCALL                                      0  $13     
         25*       ASSIGN                                                   !1, $13
   51    26*       INIT_FCALL                                               'var_dump'
         27*       SEND_VAR                                                 !1
         28*       DO_ICALL                                                 
   53    29*       NEW                                              $16     'B'
         30*       DO_FCALL                                      0          
         31*       FREE                                                     $16
   58    32*     > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FeKi9U%3A6%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/eKi9U
function name:  {closure}
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_THIS                                       $0      
          2        FETCH_OBJ_R                                      ~1      $0, 'attr'
          3        SEND_VAL                                                 ~1
          4        DO_ICALL                                                 
    9     5        FETCH_THIS                                       ~3      
          6      > RETURN                                                   ~3
   10     7*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FeKi9U%3A6%240

Class T: [no user functions]
Class T:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/eKi9U
function name:  __construct
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   24     0  E > > RETURN                                                   null

End of function __construct

Function getinstance:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 12
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/eKi9U
function name:  getInstance
number of ops:  19
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   28     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_STATIC_PROP_R          global lock         ~0      'instanses'
          2        SEND_VAL                                                 ~0
          3        DO_ICALL                                                 
   29     4        FETCH_STATIC_PROP_R          unknown             ~2      'instanses'
          5        INSTANCEOF                                       ~3      ~2
          6        BOOL_NOT                                         ~4      ~3
          7      > JMPZ                                                     ~4, ->12
   30     8    >   NEW                          static              $6      
          9        DO_FCALL                                      0          
         10        ASSIGN_STATIC_PROP                                       'instanses'
         11        OP_DATA                                                  $6
   32    12    >   INIT_FCALL                                               'var_dump'
         13        FETCH_STATIC_PROP_R          unknown             ~8      'instanses'
         14        SEND_VAL                                                 ~8
         15        DO_ICALL                                                 
   33    16        FETCH_STATIC_PROP_R          unknown             ~10     'instanses'
         17      > RETURN                                                   ~10
   34    18*     > RETURN                                                   null

End of function getinstance

End of class T.

Class A: [no user functions]
Class B: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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